/** * \file include/rawmidi.h * \brief Application interface library for the ALSA driver * \author Jaroslav Kysela <[email protected]> * \author Abramo Bagnara <[email protected]> * \author Takashi Iwai <[email protected]> * \date 1998-2001 * * Application interface library for the ALSA driver */ /* * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef __ALSA_RAWMIDI_H #define __ALSA_RAWMIDI_H #ifdef __cplusplus extern "C" { #endif /** * \defgroup RawMidi RawMidi Interface * The RawMidi Interface. See \ref rawmidi page for more details. * \{ */ /** dlsym version for interface entry callback */ #define SND_RAWMIDI_DLSYM_VERSION … /** RawMidi information container */ snd_rawmidi_info_t; /** RawMidi settings container */ snd_rawmidi_params_t; /** RawMidi status container */ snd_rawmidi_status_t; /** RawMidi stream (direction) */ snd_rawmidi_stream_t; /** Append (flag to open mode) \hideinitializer */ #define SND_RAWMIDI_APPEND … /** Non blocking mode (flag to open mode) \hideinitializer */ #define SND_RAWMIDI_NONBLOCK … /** Write sync mode (Flag to open mode) \hideinitializer */ #define SND_RAWMIDI_SYNC … /** RawMidi handle */ snd_rawmidi_t; /** RawMidi type */ snd_rawmidi_type_t; int snd_rawmidi_open(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi, const char *name, int mode); int snd_rawmidi_open_lconf(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi, const char *name, int mode, snd_config_t *lconf); int snd_rawmidi_close(snd_rawmidi_t *rmidi); int snd_rawmidi_poll_descriptors_count(snd_rawmidi_t *rmidi); int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space); int snd_rawmidi_poll_descriptors_revents(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int nfds, unsigned short *revent); int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock); size_t snd_rawmidi_info_sizeof(void); /** \hideinitializer * \brief allocate an invalid #snd_rawmidi_info_t using standard alloca * \param ptr returned pointer */ #define snd_rawmidi_info_alloca(ptr) … int snd_rawmidi_info_malloc(snd_rawmidi_info_t **ptr); void snd_rawmidi_info_free(snd_rawmidi_info_t *obj); void snd_rawmidi_info_copy(snd_rawmidi_info_t *dst, const snd_rawmidi_info_t *src); unsigned int snd_rawmidi_info_get_device(const snd_rawmidi_info_t *obj); unsigned int snd_rawmidi_info_get_subdevice(const snd_rawmidi_info_t *obj); snd_rawmidi_stream_t snd_rawmidi_info_get_stream(const snd_rawmidi_info_t *obj); int snd_rawmidi_info_get_card(const snd_rawmidi_info_t *obj); unsigned int snd_rawmidi_info_get_flags(const snd_rawmidi_info_t *obj); const char *snd_rawmidi_info_get_id(const snd_rawmidi_info_t *obj); const char *snd_rawmidi_info_get_name(const snd_rawmidi_info_t *obj); const char *snd_rawmidi_info_get_subdevice_name(const snd_rawmidi_info_t *obj); unsigned int snd_rawmidi_info_get_subdevices_count(const snd_rawmidi_info_t *obj); unsigned int snd_rawmidi_info_get_subdevices_avail(const snd_rawmidi_info_t *obj); void snd_rawmidi_info_set_device(snd_rawmidi_info_t *obj, unsigned int val); void snd_rawmidi_info_set_subdevice(snd_rawmidi_info_t *obj, unsigned int val); void snd_rawmidi_info_set_stream(snd_rawmidi_info_t *obj, snd_rawmidi_stream_t val); int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info); size_t snd_rawmidi_params_sizeof(void); /** \hideinitializer * \brief allocate an invalid #snd_rawmidi_params_t using standard alloca * \param ptr returned pointer */ #define snd_rawmidi_params_alloca(ptr) … int snd_rawmidi_params_malloc(snd_rawmidi_params_t **ptr); void snd_rawmidi_params_free(snd_rawmidi_params_t *obj); void snd_rawmidi_params_copy(snd_rawmidi_params_t *dst, const snd_rawmidi_params_t *src); int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val); size_t snd_rawmidi_params_get_buffer_size(const snd_rawmidi_params_t *params); int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val); size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params); int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, int val); int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params); int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params); int snd_rawmidi_params_current(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params); size_t snd_rawmidi_status_sizeof(void); /** \hideinitializer * \brief allocate an invalid #snd_rawmidi_status_t using standard alloca * \param ptr returned pointer */ #define snd_rawmidi_status_alloca(ptr) … int snd_rawmidi_status_malloc(snd_rawmidi_status_t **ptr); void snd_rawmidi_status_free(snd_rawmidi_status_t *obj); void snd_rawmidi_status_copy(snd_rawmidi_status_t *dst, const snd_rawmidi_status_t *src); void snd_rawmidi_status_get_tstamp(const snd_rawmidi_status_t *obj, snd_htimestamp_t *ptr); size_t snd_rawmidi_status_get_avail(const snd_rawmidi_status_t *obj); size_t snd_rawmidi_status_get_xruns(const snd_rawmidi_status_t *obj); int snd_rawmidi_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status); int snd_rawmidi_drain(snd_rawmidi_t *rmidi); int snd_rawmidi_drop(snd_rawmidi_t *rmidi); ssize_t snd_rawmidi_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size); ssize_t snd_rawmidi_read(snd_rawmidi_t *rmidi, void *buffer, size_t size); const char *snd_rawmidi_name(snd_rawmidi_t *rmidi); snd_rawmidi_type_t snd_rawmidi_type(snd_rawmidi_t *rmidi); snd_rawmidi_stream_t snd_rawmidi_stream(snd_rawmidi_t *rawmidi); /** \} */ #ifdef __cplusplus } #endif #endif /* __RAWMIDI_H */
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